export declare class Marker {
    /**
     * Defines the arrowhead or polymarker that will be drawn at the first vertex of the given shape.
     *
     * Default value is `none`.
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Attribute/marker-start
     */
    start: 'none' | 'line';
    /**
     * Defines the arrowhead or polymarker that will be drawn at the final vertex of the given shape.
     *
     * Default value is `none`.
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Attribute/marker-end
     */
    end: 'none' | 'line';
    factor: number;
    constructor(props?: Partial<Marker>);
}